1 files changed, 21 insertions, 2 deletions
diff --git a/proto/icing/proto/logging.proto b/proto/icing/proto/logging.proto
index fcedeed..4854521 100644
--- a/proto/icing/proto/logging.proto
+++ b/proto/icing/proto/logging.proto
@@ -55,6 +55,10 @@ message InitializeStatsProto {
 
     // Any dependencies have changed.
     DEPENDENCIES_CHANGED = 7;
+
+    // Change detected in Icing's feature flags since last initialization that
+    // requires recovery.
+    FEATURE_FLAG_CHANGED = 8;
   }
 
   // Possible recovery causes for document store:
@@ -170,7 +174,7 @@ message PutDocumentStatsProto {
 
 // Stats of the top-level function IcingSearchEngine::Search() and
 // IcingSearchEngine::GetNextPage().
-// Next tag: 26
+// Next tag: 28
 message QueryStatsProto {
   // TODO(b/305098009): deprecate. Use parent_search_stats instead.
   // The UTF-8 length of the query string
@@ -252,7 +256,7 @@ message QueryStatsProto {
   optional bool is_join_query = 23;
 
   // Stats of the search. Only valid for first page.
-  // Next tag: 13
+  // Next tag: 16
   message SearchStats {
     // The UTF-8 length of the query string
     optional int32 query_length = 1;
@@ -290,6 +294,15 @@ message QueryStatsProto {
 
     // Number of hits fetched by integer index before applying any filters.
     optional int32 num_fetched_hits_integer_index = 12;
+
+    // Time used in Lexer to extract lexer tokens from the query.
+    optional int32 query_processor_lexer_extract_token_latency_ms = 13;
+
+    // Time used in Parser to consume lexer tokens extracted from the query.
+    optional int32 query_processor_parser_consume_query_latency_ms = 14;
+
+    // Time used in QueryVisitor to visit and build (nested) DocHitInfoIterator.
+    optional int32 query_processor_query_visitor_latency_ms = 15;
   }
 
   // Search stats for parent. Only valid for first page.
@@ -298,6 +311,12 @@ message QueryStatsProto {
   // Search stats for child.
   optional SearchStats child_search_stats = 25;
 
+  // Byte size of the lite index hit buffer.
+  optional int64 lite_index_hit_buffer_byte_size = 26;
+
+  // Byte size of the unsorted tail of the lite index hit buffer.
+  optional int64 lite_index_hit_buffer_unsorted_byte_size = 27;
+
   reserved 9;
 }